

@media screen and (min-width: 768px){
    .container{
        width: 750px;
    }
}

@media screen and (min-width: 992px){
    .container {
        width: 940px;
    }
}

@media screen and (min-width: 1200px){
    .container {
        width: 1170px;
    }
}

@media screen and (min-width: 1290px){
    .container {
        width: 1200px;
    }
    
}

.flex {
    display: flex;
}

.container {
    margin: 0 auto;
}

.yxlcontent {
    width: 100%;
    height: 100%;
}

.yxlmainBox {
    background-color: #fff;
}

.yxlmain {
    position: relative;
    padding-bottom: 30px;
}

header ul li {
    white-space: nowrap;
}

.yxlbanner {
    height: 460px;
    background-color: #47484c
}

.bannermain {
   height: 100%;
}

.yxlbannerTitle {
    height: 30px;
    line-height: 30px;
    padding:20px 0 15px;
}

.yxlbanncontent{
    height: 280px;
    width: 1030px;
    margin: 0 auto;
}

.yxlbannerTitle i {
    margin:0 5px;
}

.bannercontentLeft{
    background:url('../img/courserimg/course-info-img-bg\ .png') no-repeat;
    width: 478px;
    height: 313px;
}

.leftinfo {
    width: 455px;
    height: 268px;
    position: relative;
    top: 10px;
    left: 11px;
}

.leftinfolister {
    width: 142px;
    height: 46px;
    line-height: 46px;
    text-align: center;
    background-color: #ffa200;
    box-shadow:0 0 30px rgba(86,146,236,.6);
    border-radius: 50px;
    align-items: center;
    opacity: .8;
    cursor: pointer;
    position: absolute;
    bottom: 118px;
    left:50%;
    transform: translateX(-50%);
    justify-content: center;
}

.leftinfo img {
    width: 100%;
}

.bannercontentRight {
    margin-left:20px;
}

.banConRightTitle {
    display: inline-block;
    width: 38px;
    height: 20px;
    line-height: 20px;
    text-align: center;
    background-color: #ffa200;
    margin-top:15px;
    border-radius: 2.5px;
}

.banConRightTeacher {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    vertical-align: middle;
}

.margintop20 {
    margin-top: 20px;
}

.banConRightmfst {
    height: 48px;
}

.banConRightTeacherbox {
    padding-top:10px;
}

.yxlbannerFooter {
    margin-right:10px;
    text-align: end;
    padding-top:10px;
}

.yxlbannerFooter span:nth-child(2) {
    margin-left:20px;
}

.yxlbannerAbsoBox {
    background-color: #fff;
    border-radius: 3px;
    box-shadow: 0 4px 8px 0 rgba(7,17,27,0.1);
    padding: 10px 0;
    position: relative;
    top: -40px;
    width: 100%;
}

.yxlbannerAbs {
    height: 55px;
    padding:0 10px;
    /* background-color: red; */
    align-items: center;
    margin:10px 0;
    justify-content: space-between;
}

.yxlbannerAbsLeft{
    background-color: #f2f8ff;
    margin: 0;
    padding: 5px 10px;
    height: 100%;
    box-sizing: border-box;
    border-radius: 5px;
    width: 345px;
}

.yxlbannerAbsLeft .title {
    display: inline-block;
    width: 38px;
    height: 20px;
    line-height: 20px;
    text-align: center;
    border-radius: 2.5px;
    margin-right: 5px;
}

.yxlbannerAbsLeft > div:last-child {
    margin: 5px 0 0 0;
}

.yxlbannerAbsLeft .huod{
    background-color: #35ce76
}

.yxlbannerAbsLeft .server{
    background-color: #e74c3c;
}

.baomzixin span {
    display: inline-block;
    width: 168px;
    height: 100%;
    text-align: center;
    line-height: 55px;
    cursor: pointer;
}

.baomzixleft{
    background-color: #e74c3c
}

.baomzixright {
    background-color: #ffa200;
}

.yxlbannerAbsRight > span{
    margin: 5px 20px 0 0;
}

.listencoursebox {
    width: 100%;
    justify-content: space-between;
    margin-bottom: 30px;
}

.listencourseboxLeft{
    width: 74.202%;
}

.listencourseboxright {
    width: 22.606%;
}

.listencTable{
    height: 48px;
    border-bottom: 1px solid #f2f2f2;
}

.listencTable li{
    padding: 0 14px 20px 14px;
    border-bottom: 3px solid transparent;
}

.listencTable li:hover {
    cursor: pointer;
    color: #30a4ff;
}

.listencTable .listeractive {
    border-color: #30a4ff;
    color: #30a4ff;
}

.teacherright img {
width: 42px;
height: 42px;
border-radius: 50%;
}

.hr {
    border: 1px solid #eee;
}

.tablepingj {
    text-align: center;
    margin-bottom: 30px;
    display: none;
}

footer {
    margin:0;
}

.tablecourse {
    height: 430px;
    padding-left:40px;
    border-left: 6px solid #f2f2f2;
    margin-top: 30px;
    position: relative;
}

.daohNum{
    display: inline-block;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    text-align: center;
    font-size: 12px;
    line-height: 30px;
    color: #279efb;
    border:1px solid #279efb;
    position: absolute;
    left: -18px;
    top:0;
    background-color: #fff;
}

.daohNum:hover{
    color: #fff;
    background-color: #279efb;
    cursor: pointer;
}

.taockcmain {
    width: 130px;
    margin-top:30px;
    box-shadow: 0 3px 7px 0 rgba(0,0,0,.09);
}

.taockcmain img {
    width: 100%;
}

.taockcmain > div {
 padding:15px 9px 9px;
}

.taockcmainfooter {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
}
.taockcmainfooter_bottom {
    justify-content: space-between;
    margin-top: 10px;
    align-items: center;
}

.taockcmainfooter_bottom span:first-child{
    margin-left:5px;
}

.taockcmainfooter_bottom span:last-child{
    width: 40px;
    height: 20px;
    text-align: center;
    line-height: 20px;
    display: inline-block;
    background-color: #30a4ff;
    color: #fff;
    border-radius: 2.5px;
    margin: 0px 5px 0 0;
}

.tablexiangq {
    margin:30px 20px 0 10px;
    width: 667.5px;
    display: none;
}

.tablexiangq img {
    width: 100%;
}

.listerxqactive {
    display: block;
}






